Dunkirk Specialty Steel LLC, a U.S. manufacturer of semi-finished and finished specialty steel products, installed a General Electric phased-array nondestructive testing (NDT) system as part of a $10 million capital investment from parent company Universal Stainless and Alloy Products. The company also installed a bar turn and burnish line as part of upgrades at its Dunkirk, N.Y., facility, which produces finished bar, rod and wire products in a variety of specialty steel grades.